11121010120012 has 48 divisors (see below), whose sum is σ = 21408572287872. Its totient is φ = 5022671051520.

The previous prime is 11121010119941. The next prime is 11121010120027. The reversal of 11121010120012 is 21002101012111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 11121010119974 and 11121010120001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13413462 + ... + 14218402.

It is an arithmetic number, because the mean of its divisors is an integer number (446011922664).

Almost surely, 2^{11121010120012} is an apocalyptic number.

It is an amenable number.

11121010120012 is a deficient number, since it is larger than the sum of its proper divisors (10287562167860).

11121010120012 is a wasteful number, since it uses less digits than its factorization.

11121010120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810658 (or 810656 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11121010120012 its reverse (21002101012111), we get a palindrome (32123111132123).

The spelling of 11121010120012 in words is "eleven trillion, one hundred twenty-one billion, ten million, one hundred twenty thousand, twelve".